TNY274-280
Conditions
SOURCE = 0 V; TJ = -40 to ꢀ21 °C
Parameter
Symbol
Min
Typ
Max
Units
See Figure ꢀ6
(Unless Otherwise Specified)
Circuit Protection (cont.)
0.9 ×
I2f
ꢀ.ꢀ2 ×
I2f
Standard Current
TNY274-280P
2
I2f
I2f
I2f
I2f
I2f
I2f
Limit, I2f = ILIMIT(TYP)
× fOSC(TYP)
0.9 ×
I2f
ꢀ.ꢀ6 ×
I2f
TNY274-280G
TJ = 21 °C
0.9 ×
I2f
ꢀ.ꢀ6 ×
I2f
Reduced Current
TNY274-280P
2
Limit, I2f = ILIMITred(TYP)
Power Coefficient
I2f
A2Hz
× fOSC(TYP)
0.9 ×
I2f
ꢀ.20 ×
I2f
TNY274-280G
TJ = 21 °C
0.9 ×
I2f
ꢀ.ꢀ6 ×
I2f
Increased Current
TNY274-280P
2
Limit, I2f = ILIMITinc(TYP)
× fOSC(TYP)
0.9 ×
I2f
ꢀ.20 ×
I2f
TNY274-280G
TJ = 21 °C
See Figure ꢀ9
TJ = 21 °C, See Note G
0.71 ×
ILIMIT(MIN)
Initial Current Limit
IINIT
tLEB
tILD
mA
ns
Leading Edge
Blanking Time
TJ = 21 °C
See Note G
ꢀ70
ꢀ31
2ꢀ1
ꢀ10
ꢀ42
71
Current Limit
Delay
TJ = 21 °C
See Note G, H
ns
Thermal Shutdown
Temperature
TSD
TSDH
ISD
ꢀ10
°C
°C
mA
Thermal Shutdown
Hysteresis
BP/M Pin Shutdown
Threshold Current
4
6.1
9
BP/M Pin Power up
Reset Threshold
Voltage
VBP/M(RESET)
ꢀ.6
2.6
3.6
V
Output
TJ = 21 °C
TNY274
28
42
ꢀ9
29
ꢀ4
2ꢀ
32
48
22
33
ꢀ6
24
ID = 21 mA
TJ = ꢀ00 °C
TJ = 21 °C
TNY271
ON-State
Resistance
RDS(ON)
Ω
ID = 28 mA
TJ = ꢀ00 °C
TJ = 21 °C
TNY276
ID = 31 mA
TJ = ꢀ00 °C
15
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Rev. I 01/09
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